browseaction.java

struts hibernate spring实现新闻发布系统含说明文档

/*
 * Generated by MyEclipse Struts
 * Template path: templates/java/JavaClass.vtl
 */
package com.ata.wx.java01b.struts.action;

import java.util.ArrayList;
import java.util.List;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

import com.ata.wx.java01b.dao.News;
import com.ata.wx.java01b.dao.NewsDAO;
import com.ata.wx.java01b.struts.form.BrowseForm;

/**
 * MyEclipse Struts Creation date: 03-17-2008
 * 
 * XDoclet definition:
 * 
 * @struts.action path="/browse" name="browseForm" input="/index.jsp"
 *                scope="request" validate="true"
 */
public class BrowseAction extends Action {
	/*
	 * Generated Methods
	 */

	/**
	 * Method execute
	 * 
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return ActionForward
	 */
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		BrowseForm browseForm = (BrowseForm) form;

		NewsDAO newsdao = new NewsDAO();
		String newsid = request.getParameter("newsid");
		List<News> newslist = newsdao.findNewsAndComment(newsid);
		List<News> news = new ArrayList<News>();
		List<News> news2 = newsdao.findByProperty("newsid", newsid);
		if (!newslist.isEmpty()) {
			news.add(newslist.get(0));
			request.getSession().setAttribute("news", news);
		}else{
			news.add(news2.get(0));
			request.getSession().setAttribute("news", news);
		}
		request.getSession().setAttribute("newsid", newsid);
		return mapping.findForward("browes");
	}
}